Bicycles Asked on July 27, 2020
i am currently workin on the Bicycle-Frame-Building-Jig that is designed by tanner W at Instructables https://www.instructables.com/id/Bicycle-Frame-Building-Jig/
which bottom bracket assemblies should i work out:
The question is – which bottom bracket-assembly-types would you suggest!?which axles and dummy shells should i drill see https://www.instructables.com/id/Bicycle-Frame-Building-Jig/
well at the moment i am musing bout the extras and features
i think as long as we can get a standard English bb in both 68 and 73,
we should be fine.
afaik: It’s hard to deal with the press fit sizes because AFAIK nobody is selling facing/reaming tools for them. As far as i know: Paragon has a ton of bb shells available, so we could match what they sell.
but I think the two most standard sizes will probably do for now.
the tanner w fixture is adjustable for width, so we only need one set of blocks see here: https://www.instructables.com/id/Bicycle-Frame-Building-Jig/
and also see the bottom bracket shells: https://www.paragonmachineworks.com/frame-building-parts/bottom-bracket-shells/steel.html
well at the moment i am musing bout the extras – what should i add ?
You should use tapered cones, so they work with any BB. There's no need to have different fittings for different BB.
Correct answer by BetterSense on July 27, 2020
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